ADOPTED_FROM:EN 3230:2001 This standard specifies the characteristics of hexagonal slotted / castellated nuts, reduced height, normal across flats, in steel, cadmium plated. Classification: 900 MPa ) / 235 °C )
NS-EN 3230:2001 history
2001NS-EN 3230:2001 Aerospace series — Nuts, hexagon, slotted / castellated, reduced height, normal across flats, in steel, cadmium plated — Classification: 900 MPa (at ambient temperature) / 235 °C